/****************************************************************************
* configs/zkit-arm-1769/src/up_leds.c
* arch/arm/src/board/up_leds.c
*
* Copyright (C) 2013 Zilogic Systems. All rights reserved.
* Author: BabuSubashChandar <code@zilogic.com>
*
* Based on configs/lpcxpresso-lpc1768/src/up_leds.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdbool.h>
#include <debug.h>
#include "up_arch.h"
#include "up_internal.h"
#include "lpc17_gpio.h"
#include "zkitarm_internal.h"
#ifdef CONFIG_ARCH_LEDS
/****************************************************************************
* Definitions
****************************************************************************/
/* CONFIG_DEBUG_LEDS enables debug output from this file (needs CONFIG_DEBUG
* and pherhaps CONFIG_DEBUG_VERBOSE too)
*/
#ifdef CONFIG_DEBUG_LEDS
# define leddbg lldbg
# ifdef CONFIG_DEBUG_VERBOSE
# define ledvdbg lldbg
# else
# define ledvdbg(x...)
# endif
#else
# define leddbg(x...)
# define ledvdbg(x...)
#endif
/****************************************************************************
* Private Data
****************************************************************************/
static bool g_ncstate;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: up_ledinit
****************************************************************************/
void up_ledinit(void)
{
/* Configure all LED GPIO lines */
lpc17_configgpio(ZKITARM_LED1);
lpc17_configgpio(ZKITARM_LED2);
g_ncstate = true;
}
/****************************************************************************
* Name: up_ledon
****************************************************************************/
void up_ledon(int led)
{
bool off;
switch (led)
{
case 0:
case 2:
off = true;
break;
case 1:
off = false;
g_ncstate = false;
break;
default:
return;
}
lpc17_gpiowrite(ZKITARM_LED1, off);
lpc17_gpiowrite(ZKITARM_LED2, off);
}
/****************************************************************************
* Name: up_ledoff
****************************************************************************/
void up_ledoff(int led)
{
bool off;
switch (led)
{
case 0:
case 1:
off = false;
break;
case 2:
off = g_ncstate;
break;
default:
return;
}
lpc17_gpiowrite(ZKITARM_LED1, off);
lpc17_gpiowrite(ZKITARM_LED2, off);
}
#endif /* CONFIG_ARCH_LEDS */
